130 lines
4.2 KiB
JavaScript
130 lines
4.2 KiB
JavaScript
const express = require('express');
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const app = express.Router();
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const sqlite = require('better-sqlite3');
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const db = new sqlite('the_big_db.db', { verbose: console.log });
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const { loginRequired } = require('../authStuff.js');
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const showdown = require('showdown');
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const converter = new showdown.Converter();
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const hljs = require('highlight.js/lib/core');
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hljs.registerLanguage('lua', require('highlight.js/lib/languages/lua'));
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const pageListQuery = db.prepare(`
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select p.number, p.title, p.time
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from pages p
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where time >= (
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select max(s.time)
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from pages s
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where s.number = p.number
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)
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order by p.time desc
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`);
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app.get('/pages', (req, res) => {
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try {
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const pages = pageListQuery.all();
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res.status(200).json(pages);
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} catch (error) {
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res.status(500).json({"error": error});
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}
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});
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app.post('/page/new', loginRequired, (req, res) => {
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try {
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let maxPage = db.prepare('select max(number) as maximum from pages').get()
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let newPageNumber = maxPage.maximum + 1;
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let newPage = db.prepare('insert into pages (number, title, description, author) values (?, ?, ?, ?) returning number')
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.get(newPageNumber, "new page", "this page is new!", req.session.userId);
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let newAttributes = db.prepare('insert into attributes (number, contents) values (?, ?)')
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.run(newPageNumber, JSON.stringify({"parent": 3}));
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res.status(200).json(newPageNumber);
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} catch (error) {
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res.status(500).json({"error": error});
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}
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});
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const getPageQuery = db.prepare('select * from pages where number=? order by time desc');
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app.get('/page/:number', (req, res) => {
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try {
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const page = getPageQuery.get(req.params.number);
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if (!page) res.status(404).json({"error": "page not found"});
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else res.status(200).json(page);
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} catch (error) {
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res.status(500).json({"error": error});
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}
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});
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const getAttributesQuery = db.prepare('select * from attributes where number=?');
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app.get('/page/:number/attributes', (req, res) => {
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try {
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const page = getPageQuery.get(req.params.number);
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if (!page) {
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res.status(404).json({"error": "page not found"});
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return;
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}
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const attributes = getAttributesQuery.get(req.params.number);
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if (!attributes) res.status(200).json({});
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else if (attributes.contents) res.status(200).json(JSON.parse(attributes.contents));
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else res.status(200).json({});
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} catch (error) {
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res.status(500).json({"error": error});
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}
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});
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const pageInsertQuery = db.prepare('insert into pages (number, title, description, html, lua, author, type) values (?, ?, ?, ?, ?, ?, ?)')
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app.post('/page/:number', loginRequired, (req, res) => {
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try {
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const html = converter.makeHtml(req.body.description);
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const lua = hljs.highlight(req.body.description, {language: 'lua'}).value;
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const changes = pageInsertQuery.run(req.params.number, req.body.title, req.body.description, html, lua, req.session.userId, req.body.type ? 1 : 0);
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res.status(200).json(changes);
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} catch (error) {
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console.log(error);
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res.status(500).json({"error": error});
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}
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});
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const attributesUpdateQuery = db.prepare('update attributes set contents=? where number=?')
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app.post('/page/:number/attributes', loginRequired, (req, res) => {
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try {
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const changes = attributesUpdateQuery.run(req.body, req.params.number);
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res.status(200).json(changes);
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} catch (error) {
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res.status(500).json({"error": error});
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}
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})
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app.delete('/page/:number', loginRequired, (req, res) => {
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try {
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db.prepare('delete from pages where number = ?').run(req.params.number);
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db.prepare('delete from attributes where number = ?').run(req.params.number);
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res.status(200).json({id: req.params.id});
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} catch (error) {
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res.status(500).json({"error": error});
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}
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});
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app.get('/page/:number/history', (req, res) => {
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try {
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const all = db.prepare('select * from pages where number=:number order by time desc').all(req.params);
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res.status(200).json(all);
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} catch (error) {
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res.status(500).json({"error": error});
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}
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});
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app.get('/page/:number/:id', (req, res) => {
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try {
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const page = db.prepare('select * from pages where number=:number and id=:id').get(req.params);
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if (page === undefined) res.status(404).json({"error": "page not found"});
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else res.status(200).json(page);
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} catch (error) {
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res.status(500).json({"error": error});
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}
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});
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module.exports = app; |